Official support for Dark Themes is in the latest version of Microsoft Edge.
Microsoft Edge currently uses the Operating System Theme. Follow these instructions below.
To enable Dark mode:
On a Mac:
1. Select the Apple menu in the upper left corner of your screen and choose System Preferences.
2. Choose General (usually the first in the list) and under Appearance, choose Dark.
In Windows 10:
- From the Windows 10 Desktop: Click on the Start Menu button, then Settings.
- Go to Personalization.
- Click on Colors.
- Select Dark in Choose your default app mode.
Content Update: 06/17/2019